OT-2026-000002680
Publication integrity record
Systems and methods for providing modular architectures for robotic end effectors
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000002680) never changes.
Identity and time
| Publication number | OT-2026-000002680 · never reused |
|---|---|
| Internal UUID | 01a0a67e-1cd7-749a-a038-8f9e2ebec85b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:14:37.911481Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002680 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5b224a62ce315a64c93fa2c9a1bd059ada2025b6d24a9ad81d448f066d3177b0 |
|---|---|
| Markdown | 8a8151d0835aebe9eb9fbad2a4e9beef914563ba8142a1ac12dd8a708b996082 |
| Publication page | 70d54b61c4f84bdf0c68b9e41fdeba527cb4a4c0420806f43aaf84f73525ae59 |
| Manifest | 25b827a1fefa0b6f334be3f22847af717fd6ed63e674fa637c47699341a98ceb |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | nLl4pZucnBKRuoe4BINk5Ei22l5r9aNgNGDb+7xpxI+eVnPde14ZktdL6iXfrzttYih+9Jt77i/8DJx6M52uBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:27:02Z batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof root 2d7e364e718bd6a32072ec57f9edc195... |
|---|
Independent retrieval
| 2026-09-15T19:30:17.403325Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002680observed 70d54b61c4f84bdf0c68b9e41fdeba52...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T19:30:17.366825Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002680/manifest.jsonobserved 25b827a1fefa0b6f334be3f22847af71...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:17.353243Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002680/publication.txtobserved 5b224a62ce315a64c93fa2c9a1bd059a...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|